Hinges are for use on average traffic in commercial construction. Hinges are furnished with All Wood Screws (1 1/4" x 12 FPHW) and All Machine Screws (1/2" x 12-24 FPHM) Non Rising Steel Pin with Button Tips. Commercial Grade Hinges are .134 thickness with template screw hole pattern. NRP (Non Removable Pin) is a set screw driven into the barrel of the hinge that is inaccessible when the door is in the closed position.